Anyone changed the transfer case and differential fluid?
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Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, Anyone changed the transfer case and differential fluid? in Cadillac SRX Forums; Just curious if there were any tricks, most vehicles are pretty straightforward. With 55k I'd like to replace it with ...
  1. #1
    onewhippedpuppy is offline Cadillac Owners Member
    Automobile(s): '04 SRX V8 AWD
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    Jun 2007
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    Wichita, KS
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    75

    Anyone changed the transfer case and differential fluid?

    Just curious if there were any tricks, most vehicles are pretty straightforward. With 55k I'd like to replace it with some quality Royal Purple synthetic oil, no idea what's in there right now. Maybe I'll pick up 1/10 of a MPG.

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  3. #2
    steined is offline Cadillac Owners Fanatic
    Automobile(s): 07 Cadillac SRX V8,AWD,Sport
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    Re: Anyone changed the transfer case and differential fluid?

    Funny you asked this.. I was just thinking about doing the same last week. I switched to Royal Purple for the boat this year and like it so far.

  4. #3
    onewhippedpuppy is offline Cadillac Owners Member
    Automobile(s): '04 SRX V8 AWD
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    Wichita, KS
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    Re: Anyone changed the transfer case and differential fluid?

    I've used Royal Purple in the transmission, diff, and transfer case of vehicles for years. Obviously couldn't tell any real difference in the diff or transfer case, but using it in manual transmissions over the years has always smoothed out the shifts.

    On most diffs and transfer cases it's easy, just pull the drain and fill plugs, drain the old and pump in the new. However, new vehicles seem to make everything more complicated than it should be.

  5. #4
    gwnkids is offline Cadillac Owners Member
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    Jun 2004
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    Re: Anyone changed the transfer case and differential fluid?

    I have the same question
    Plus I want to do the trans as well, has anyone done that? I did not see a drain plug like in the Duramax/Ally

  6. #5
    PhoenixSRX is offline Cadillac Owners Member
    Automobile(s): 08 SRX
    Join Date
    Oct 2007
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    66

    Re: Anyone changed the transfer case and differential fluid?

    FYI
    Mine went in for its maintentance and they found the rear axle seals leaking badly down the carrier at 71000k 44117m. Had to replace the seals 88996591 and the Lr snap ring broke 90223082 so they had to order that as well.

  7. #6
    onewhippedpuppy is offline Cadillac Owners Member
    Automobile(s): '04 SRX V8 AWD
    Join Date
    Jun 2007
    Location
    Wichita, KS
    Posts
    75

    Re: Anyone changed the transfer case and differential fluid?

    Seems like I remember reading that the transmission was recomended to flush, as opposed to a simple drain and fill.

    I guess nobody has messed with the transfer case or diff? I'll give it a shot sometime and update this after.

  8. #7
    broberts87 is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Nov 2007
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    17

    Re: Anyone changed the transfer case and differential fluid?

    I've replaced my transfer case. Chain was popping on the old one. Not too bad of a job. (the lower control arm on the passenger side was way harder) I would recommend two people and a jack. The hardest part was removing the the exhaust pipe. All four bolts broke from the pipe to the flange and had to be drilled out and replaced. In all, took about four hours. Probably quicker if it hadn't been for those bolts. I bought the transfer case used for about $700. Probably saved myself a good $1400

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